Effect of plating parameters on the electrodeposition of Ni-alumina nanocomposite
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Ni-Al2O3 nanocomposite coatings were fabricated using conventional electrodeposition technique using nickel sulfamate bath. Effect of plating parameters on electrodeposition of Ni-Al2O3 nanocomposite was studied. The properties of the nano composite were investigated by using SEM, XRD, and Vicker’s microhardness test. The results showed that Al2O3 incorporation in the composite coatings was found to be increased with decreasing current density and increasing Al2O3 content in bath. Microhardness of the composite coatings was also increased with increasing content of the nano particles in the plating bath. The surface morphologies of the nanocomposite coatings were found to be varied with varying pH, current densities as well as alumina content in the plating bath.
Abstract
Ni-Al2O3 nanocomposite coatings were fabricated using conventional electrodeposition technique using nickel sulfamate bath. Effect of plating parameters on electrodeposition of Ni-Al2O3 nanocomposite was studied. The properties of the nano composite were investigated by using SEM, XRD, and Vicker’s microhardness test. The results showed that Al2O3 incorporation in the composite coatings was found to be increased with decreasing current density and increasing Al2O3 content in bath. Microhardness of the composite coatings was also increased with increasing content of the nano particles in the plating bath. The surface morphologies of the nanocomposite coatings were found to be varied with varying pH, current densities as well as alumina content in the plating bath.
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